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anonymous
 one year ago
Please help. I need help with a couple of questions. I will give medal and fan.
anonymous
 one year ago
Please help. I need help with a couple of questions. I will give medal and fan.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A toy rocket was launched from the ground. The function f(x) = 16x^2 + 192x shows the height of the rocket f(x), in feet, from the ground at time x seconds. What is the axis of symmetry of the graph of f(x), and what does it represent? x = 12; it takes 12 seconds to reach the maximum height and 12 seconds to fall back to the ground x = 12; it takes 12 seconds to reach the maximum height and 24 seconds to fall back to the ground x = 6; it takes 6 seconds to reach the maximum height and 6 seconds to fall back to the ground x = 6; it takes 6 seconds to reach the maximum height and 3 seconds to fall back to the ground

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think its either C or D

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i think it is not a 100% sure though

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you help me with a couple more?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Functions f(x) and g(x) are shown below: f(x) = x2 g(x) = x2 + 10x + 25 In which direction and by how many units should f(x) be shifted to obtain g(x)? Right by 5 units Left by 5 units Right by 10 units Left by 10 units

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1hint: (x^2 + 10x + 25) = (x+5)^2

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1nope, please look carefully at what I wrote (x+k)^2 moves the graph x^2 to the left k units

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yes, B is the answer, but do you understand how to get (x+5)^2?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you explain it a little, I sort of forgot.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1have you seen this formula? (a+b)^2 = a^2 + 2ab + b^2?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1great! in the equation x^2 + 10x + 25, do you see how x = a and b = 5? when you plug in x for a and b for 5, do you see how x^2 + 10x + 25 = (x+5)^2? this is called "factoring", basically you want to find a and b so you can simplify x^2 + 10x + 25 into (x+5)^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh, I remember thanks!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do you mind helping me with a couple more?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The steps to derive the quadratic formula are shown below: Which of the following statements best describes the first incorrect step? In Step 4, square of quantity of b over 2 times a instead of b over 2 times a was added on both sides. In Step 5, x plus b over 2 times a, all squared was written instead of x plus b over 4a, all square. In Step 6, c over a was written instead of c over a inside the root. In Step 7, square of quantity of b over 2 times a was written instead of b over 2 times a inside the root.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1NOTE: I got this from a website, I didn't write this out myself, but these are the steps to derive the quadratic equation

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0David kicks a soccer ball off the ground and in the air, with an initial velocity of 35 feet per second. Using the formula H(t) = 16t2 + vt + s, what is the maximum height the soccer ball reaches?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0for this one I know you plug in the 35 for v but what do you plug in for s?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1v = initial velocity = 35, s = initial height = 0

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1an object on the ground has a height of 0

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1initial height = 0, because the ball is on the ground

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok I can do this one by myself

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you help me with 3 more?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Water coming out from a fountain is modeled by the function f(x) = x2 + 7x + 5 where f(x) represents the height, in feet, of the water from the fountain at different times x, in seconds. What does the average rate of change of f(x) from x = 4 to x = 6 represent? The water falls down with an average speed of 5 feet per second from 4 seconds to 6 seconds. The water falls down with an average speed of 3 feet per second from 4 seconds to 6 seconds. The water travels an average distance of 5 feet from 4 seconds to 6 seconds. The water travels an average distance of 3 feet from 4 seconds to 6 seconds.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If 5p = 100 + 3Q2, which of the following could Q possibly be? Q = square root of 5p100/ 3 Q = square root of 5p+100/3 Q = square root of 5p+100/ 3 Q = square root of 5p100/ 3

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1this one is a bit tough to explain but I'll try average rate of change = speed = distance/time the average rate of change between x = 6 seconds and x = 4 seconds = distance travelled between 4 to 6 seconds/(64 seconds) = [f(6)f(4)]/(64)

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1and for the second one: 5p = 100 + 3Q^2 all you're doing is solving for Q in terms of p add 100 to each side divide each side by 3 take the square root of each side to find Q

anonymous
 one year ago
Best ResponseYou've already chosen the best response.035p=q^2 I got 5.9160797830996160425673282915616 when I did the square root of 35

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1??? I think you're confused, can I try outlining it step by step?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry I got confused I understand now.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1dw:1432846015012:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the answer I got is B

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1432846126778:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have one more. Do you think you can help me?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What is the domain of the following parabola? x ≥ 2 x ≤ 1 y ≤ 3 All real numbers

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1are there any x values that don't have y values?
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